Incinerator



Nov. 17, 1925." 1,561,804

c. 1-. STOHR I NCINERATOR Filed Feb. 8, 1924 ZSheets-Sheert l 'Eg i Jim6'01! Yfieaahr M26 1.

Patented Nov. 17, 1925.

UNITED STATES PATENT. OFFICE.

CARL THEODOR STO HR, OF ST. PAUL, MINNESOTA.

I mcmnnn'ron.

Application filed Feb uary 8, 1924. Serial No. 691,368.

To all whom it may concern:

Be it known that I, CARL THEODOR Srorrn, a citizen of the United States,residing at St. Paul, in the county of Ramsey and State of Minnesota,have invented certain'new. and useful Improvements in Incinerators; andI do hereby declare the following to be a full, clear, and exactdescription ofthe invention, such as will enable others skilled in theart to which it appertains to make anduse the same.

My invention provides an improved in cinerator adapted for use. inflats, apartment houses, and in private dwellings,- and capable ofbeing-readily installed either at the 7 time that the building is beingconstructed or at a later time.

Generally stated, the invention consists of the novel devices andcombinations ofdevices hereinafter described and defined in the claims.1

In the accompanying drawings, which illustrate the invention, likecharacters indicate like parts throughout the several views.

Referring to the drawings: 7

1 is a front elevation showing the incinerator and the chimney to whichit is applied, some partsbeing broken away;

F1g.'2 is a vertical section taken on the Fig. 9 1s a fragmentaryperspective, with some parts sectioned on the line 9-9 of Fig. 8; and

Fig. 10 is a view partly invertical section and partly in elevation,illustrating one way of connecting the incinerator of Fig. 5 to achimney.

Referring first to the construction illustrated in Figs. 1 to l,inclusive, the numeral 11 indicates an ordinary masonry chimney, such asfound in flat buildings, apartment houses, and the like. This chimney,in one s r in frett adj n t9 th flee at t basement, has a large passage12, preferably lined by a metallic frame 12. In this form of theincinerator, the primary incinerating chamber 13 is formed within abrickwork or masonry structure 14, preferably made wider than thechimney but built directly against the same so that the lower, portionof the chamber 13 has free communication withthe base of the chimneythrough the passage 12. In its front wall, the brick structure 14: has acleanout door opening 15 normally closed by a door 16 equipped with asliding damper 17 The top of the structure 14 is provided with a largeopening into which is set' a rectangular metallic frame-work 18. To therear portion of this framework 18 is hinged a top door 19,which-has asliding damper 20 and preferably a lift lug 21. For an important reason,this damper 20 is arranged to slide forwardly and rearwardly so that,when the door 19 is raised, said damper will automatically slide to aclosed position. This makes sure that the damper 20 will alwaysbe'closed after th'edoor 19 has been raised and again lowered.-

The numeral 22 indicates a garbage-containing basket made of woven wireand provided with a'solid metal'rim 22 to which a lifting bale 23 ispivoted. The trunnions 23 of the bale 23 project'andare engageable withnotches 24formed in the door frame 18,

so that the basket will be supported within 27 journaled in the sides ofthe chimney 11 and in bearing brackets 28 on the exterior of thechimney. The shaft 27 at one end, is provided with an operatinghandle orlever 29. The grate 26 is a cast structure of peculiar form. It" isarranged normally to stand obliquely, as shown in Fig. 2, and is formedV-shaped at its upper end where it engages with the rear wall of thechimney. At its front edge, the grate 26 is provided with a transverseflange 26 that normally projects into the passage 12 and engages theupper portion of the frame 12. It is important to note that the shaft27, which forms the pivot for the grate 2 6, is located considerablyforward of the center of gravity of said grate, so thatthe grate willnorma y stand. in the will be provided floors, so that garba e may bedropped onto frame.

operative position shown iii-Fig. 2. "Feverthe'less, said grate may bereadily tilted so as to dump the ashes, clinkers, bottles, cans and thelike from time to time. The concave or V-shaped cross section of thegrate causes the non-combustible articles to collect at the center ofthe lower portion of the grate.

When the incinerator is applied in a flat building, or apartment house,garbage doors 1 at the various different the grate 26. In To .lgs. 1 and2, l have shown a type of dumping door structure advisably used for thepurpose just stated. As shown, this door structure comprises a castrectangular door frame 30 to which is pivoted a discharge spout 31 and adoor 32. The door 32 is connected to the spout 31 by a link 33, so thatwhen the door is in its horizontal open position, the spout 31 will bein its incli-ned position, as indicated by dotted line. inFig. 2, andwhen said door 32 is closed, the spout 31 will be turned into a verticalposition at the inner portion of the door This door structure forms avery tight joint when closed, and when open, a very convenient devicefor the proper delivery of the garbage into the chimney.

Much of the garbage and a large amount of paper will be accumulated anddumped into the basket 22. For some purposes, such as private dwellings,this basket will be found the only garbage receptaclerequired and thecombustion may take place-entirely from this basket. At any rate, thecombustion will be initiated by igniting the paper in the basket 22."When thelpaper in the basket 22 is ignited and the'damper 2O isslippedto an open position, air willbe drawn down through the contents of thebasket and the paper or combustible 'substance'will be burned withastrong down draft. The flames and products of combust-ion will, ofcourse,be drawn into the chimney through the passage 12 and up throughthe grate 26, so that garbage and paper on the said grate will beconsumed. The down draft may be modified by opening or closing of thedamper 17 in the door 16, but

down draft is always available for support ing the combustion.

Sometimes, tincans, glass bottles, and the like, will be thrown with thegarbage onto the grate 26 and these may be discharged from the grate,after the garbage has been burned up, by tilting the grate and therebycausing such objects to roll or fall into the primary incineratingchamber 13, from which latter they may be removed with the ashes throughthe door opening 15.

Themodiitied form of incinerator shown in Figs. 5 to 10, inclusive, isespecially adapted for use in private dwellings or homes, and it may beconnected to a chimney, either down draft incinerators.

directly or from a remote point. This incinerator preferably'comprises asheet metal shell '34 provided in its top with a large dooro-peningnormally closed by a two-part hinged door the sections of which door areprovided with dampers At its bottom, the shell 3% is provided with asmoke pipe 37, which, inthe arrangement shown in 10, is partly imbeddedbelow the floor level and is connected directly'tothe bottom of thechimney 11. Close to its bot tom and at its front side, the shell 34: isprovided with an ash door opening normally closed by a door 38. The topplate of the shell 34 is provided with :1 depending flange 39, the frontportion of which. is semi-circular and the rear portion of which isrectangular. This 'flange, at diametrically opposite points, is formedwith notches lO-that afford open seats for the trunnions 23 of thebasket- ;2. The large opening in the top of the shell 3 l afforded bythe flange39'perinits the basket to be freely placed in-position orremoved, even if nails or like objects should project through thebasket.

The basket used in both of the arrangements illustrated is of the sameconstruction and the notches provided for the trunnions 23 in the topdoor frame 18 preferably are of the same arrangen'ient as illustrated inFig. 9. o

The sheet metal incinerator last described may be very cheaply'made andinstalled at very small cost and may be serviceable for all places wheregarbage-need not be dumped from several floors directly into theincinerator. Both incinerators described are *By opening more or lessthe front and rear'fdanipers 86, the draft maybe properly'directed'through the paper and garbage contained in thebasket, and by turning thebasket around to'shift its position, complete combustion may'gbeaccomplished. The removable baskets afford simple means for holdingnon-combustible objects and'for carrying the same out of the incineratorand, at the same time, such a basket affords the best kind of a supportfor the garbage while it is being burned.

What I claim is:

l. The combination with a chimney, of an incinerator comprising aprimary combustion chamber located at the exterior thereof, providedatits top with a damper-equipped door, and at its lower portionconnected to the lower portion of said chimney, a removable garbagebasket supported within said primary combustion chamber below thedamper-equipped top thereof, the top door of saidprimary combustionchamber being hinged and the damper thereof being arranged to slide to aclosed position. when said door is opened.

2. The structure defined in claim 1 in which said chimney is providedwith a garbage-supporting grate through which the draft from saidprimary combustion chamber passes upwardly, said chimney further havinga garbage-receiving door located above said grate.

3. The combination with a chimney and a primary combustion chamberlocated at the exterior thereof but connected thereto by a lower draftpassage, a garbage receptacle located in said primary combustionchamber,

the latter having a draft passage above said garbage receptacle, and agrate located in said chimney above the connection between said chimneyand primary combustion chambe r 4. The structure defined in claim 3 inwhich said grate is a pivoted dumping grate.

5. The structure defined in claim 3 in which said chimney is providedabove said grate with a garbage-receiving door.

6. The structure defined in claim 3 in which the garbage receptacle insaid primary combustion chamber is a removable basket, the said grate isa pivoted dumping grate, and said chimney is provided above said dumpinggrate with a garbage-receiving door.

In testimony whereof I afiix my signature.

CARL THEODOR STOHR.

